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Animals
Argentina
Cryptogonimidae
2
Rivers
2
Trematoda
animal
article
classification
2
histology
2
parasitology
2
river
2
trematode
2
Bagre
1
Catfishes
1
Eigenmannia virescens
1
Female
1
Fresh Water
1
Gymnotiformes
1
Gymnotus carapo
1
Heptapteridae
1
Intestines
1
Male
1
Microscopy, Electron, Scanning
1
Ovary
1
Pimelodella
1
Pisces
1
Siluriformes
1
Species Specificity
1
Testis
1
Vermes
1
-
1
-
2